Question 1

Which statement defines current?

Accepted Answer

rate of flow of electric charge

Answer

the amount of charge flowing

Answer

rate of flow of energy

Answer

the amount of energy flowing

Question 2

Electrons are charged particles. Which row identifies the charge on an electron and a unit of charge?

Accepted Answer

Type of charge(Negative); unit of charge(Coulomb)

Answer

Type of charge(Negative); unit of charge(Ampere)

Answer

Type of charge(positive); unit of charge(Ampere)

Answer

Type of charge(positive); unit of charge(Coulomb)

Question 3

Which of the following diagrams correctly shows the direction of conventional current flow and electron flow?

Accepted Answer

https://uploads.quizalize.com/37bdddcb-3b24-4aca-b751-4ca9decbfcb2/question/1e7041f44bb10dec3e5b908d9330f06b18d35bc4.JPG

Answer

https://uploads.quizalize.com/37bdddcb-3b24-4aca-b751-4ca9decbfcb2/question/64e1825f669bac1cc09acc4f894330cd8fd03a9d.JPG

Answer

https://uploads.quizalize.com/37bdddcb-3b24-4aca-b751-4ca9decbfcb2/question/a94cc0a5cbdad2a2936ce01b9e7f1b89793c2fbb.JPG

Answer

https://uploads.quizalize.com/37bdddcb-3b24-4aca-b751-4ca9decbfcb2/question/5459364593e98ebc8c52d34b1615b13364bd21b2.JPG

Question 4

Which copper wire has the smallest resistance?

Accepted Answer

short and thick wire

Answer

short and thin wire

Answer

long and thin wire

Answer

long and thick wire

Question 5

Which copper wire has the least resistance(Refer to the diagram shown)

Accepted Answer

B

Answer

A

Answer

D

Answer

C

Question 6

Which option shows the correct direction of conventional current and electron flow? Please refer to the diagram

Accepted Answer

A

Answer

C

Answer

D

Answer

B

Question 7

Refer to the diagram and select the option that shows the greatest resistance

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 8

What is the speed of sound travel in air?

Accepted Answer

330 m/s

Answer

0 m/s

Answer

5000 m/s

Answer

1500 m/s

Question 9

What is the speed of sound travel in water?

Accepted Answer

1500 m/s

Answer

5000 m/s

Answer

330 m/s

Answer

0 m/s

Question 10

What is the speed of sound travel in metal(solid)?

Accepted Answer

5000 m/s

Answer

330 m/s

Answer

1500 m/s

Answer

0 m/s

Question 11

What is the speed of sound travel in vacuum?

Accepted Answer

0 m/s

Answer

1500 m/s

Answer

330 m/s

Answer

5000 m/s

Question 12

What happens to the sound wave when it travels from air to glass(solid)?

Accepted Answer

Speed increases from 330 m/s(air) to 5000 m/s(solid)

Answer

Speed decreases from 5000 m/s to 330 m/s

Question 13

A student uses a coil to create a wave. Which hand movements will create a longitudinal wave?

Accepted Answer

pushing and pulling the coil

Answer

pulling the coil upwards and downwards

Question 14

A student uses a coil to create a wave. Which hand movements will create a transverse wave?

Accepted Answer

pulling the coil upwards and downwards

Answer

pushing and pulling the coil

Question 15

What is the audible range of sound for humans to hear?

Accepted Answer

20 Hz to 20000 Hz

Answer

more than 20000 Hz

Answer

0 Hz to 20000 Hz

Question 16

which frequency cannot be heard by humans?

Accepted Answer

10 Hz

Answer

3000 Hz

Answer

15000 Hz

Answer

20 Hz to 20000 Hz

Question 17

What is the definition of EMF(electromotive force)

Accepted Answer

The amount of work done by a battery to move 1 Coulomb of charge round the complete circuit

Answer

The amount of work done by a battery to move 1 Coulomb of charge across the electrical component.

Question 18

What is the definition of potential difference?

Accepted Answer

The amount of work done by a battery to move 1 Coulomb of charge across the electrical component.

Answer

The amount of work done by a battery to move 1 Coulomb of charge round the complete circuit

Question 19

Which formula on Voltage is correct?

Accepted Answer

Voltage = Current x resistance

Answer

Voltage = resistance / current

Answer

Voltage = Current / resistance

Question 20

Which formula below is correct on work done?

Accepted Answer

work done = Voltage x charge

Answer

work done = Charge / Voltage

Answer

work done = Voltage / charge

Question 21

Which formula on Charge below is correct?

Accepted Answer

Charge(C)= Current(A) x time(s)

Answer

Charge(C)= Current(A) / time(s)

Answer

Charge(C)= Current(A) x time(hours)

Question 22

Which statements on the conventional current and electron flow is correct?

Accepted Answer

conventional current flows from positive to negative terminal; electron flow is from negative terminal to positive terminal

Answer

conventional current and electron flows from positive to negative terminal

Answer

electron flows from positive to negative terminal; conventional current flow is from negative terminal to positive terminal

Question 23

Which statement on pitch and loudness is correct?

Accepted Answer

Pitch depends on frequency and loudness depends on amplitude

Answer

Pitch and loudness both depends on frequency

Answer

Pitch depends on amplitude and loudness depends on frequency

Answer

Pitch and loudness both depends on amplitude

Question 24

What does brightness of a bulb depends on?

Accepted Answer

It depends on voltage. The higher the voltage, the brighter it will be

Answer

It depends on voltage. The lower the voltage, the brighter it will be

Question 25

Which formula to calculate speed of sound(where sound travels directly) ?

Accepted Answer

Speed = distance/time

Answer

speed= 2 x distance/ time

Answer

Speed = distance x time

Question 26

Which formula to calculate speed of sound for Echo(Reflected sound) ?

Accepted Answer

speed= 2 x distance/ time

Answer

Speed = distance/time

Answer

Speed = distance x time

Related quizzes

Related quizzes